Arizona asks for Mark's advice as she tries to reconcile with Callie, who has big news; Teddy must make a major decision for Henry (Scott Foley) during his surgery; and the chief announces that he's looking for a new chief resident on the day the residents (more…)Arizona asks for Mark's advice as she tries to reconcile with Callie, who has big news; Teddy must make a major decision for Henry (Scott Foley) during his surgery; and the chief announces that he's looking for a new chief resident on the day the residents receive a new crop of interns.

Meredith feels left out as Derek begins work on his Alzheimer's clinical trial; Callie drives her obstetrician (Rachael Taylor) nuts as she, Mark and Arizona try to come to grips with her pregnancy; and the chief is not happy with Bailey's OR tweets.